if ENV["PSEUDO_I18N"] module PseudoI18nDecoration def translate(locale, key, options = {}) result = super return result unless result.is_a?(String) ENV["PSEUDO_I18N"] == "redact" ? "▚" * result.length : "⟦#{result}⟧" end end I18n.backend.class.prepend(PseudoI18nDecoration) end